✓ Board-verified
Science · 2023 · 2 marks
CBSE 2023 · Region 1 · Set 3 · Q25
Why is damage to the ozone layer a cause for concern ? What steps are being taken to limit this damage ?
Marking-scheme solution
-UV rays reach the earth and cause ill effects like skin cancer in human beings.
-(a) Minimize the use of CFC's
(b) Forging on agreement to freeze CFC production at $\displaystyle 1986$ levels.
More from Our Environment
- Assertion: The amount of ozone in the atmosphere began to drop sharply in the 1980s. Reason (R): The oxygen…2025 · asked 3×
- Other than the abiotic components, which of the given biotic components are not required to make an aquarium…2025 · asked 3×
- Use of pesticides to protect our crops affect organisms at various trophic levels especially human beings.…2024 · asked 3×
- Plants → Deer → Lion In the given food chain, what will be the impact of removing all the organisms of second…2024 · asked 3×
- In accumulation of toxic substances at higher trophic levels of an ecosystem through the food chain, which of…2026 · asked 3×
- Differentiate between food chain and food web. In a food chain consisting of deer, grass and tiger, if the…2024 · asked 3×
- Assertion: Use of jute bags for shopping reduces pollution. Reason (R): Jute is biodegradable and its bag may…2025 · asked 3×
- The examples of natural and manmade (artificial) ecosystems are respectively2025 · asked 3×
CBSE Class 10 Science past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.